diff --git a/requirements.txt b/requirements.txt
index 7813946..2e55edb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,10 +4,10 @@
 six>=1.9.0 # MIT
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config>=3.12.0 # Apache-2.0
-oslo.context>=2.4.0 # Apache-2.0
+oslo.context!=2.6.0,>=2.4.0 # Apache-2.0
 oslo.messaging>=5.2.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.15.0 # Apache-2.0
+oslo.utils>=3.16.0 # Apache-2.0
 iso8601>=0.1.11 # MIT
 oslo.log>=1.14.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0